Free Practice Question
PS · Problem Solving
705-805
Combinations
John has to paint a wall with seven horizontal stripes. He only has enough paint for four red stripes, four blue stripes, and four yellow stripes. If he can use at most two colors, how many different ways can he paint the wall?
Answer Choices
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420
B
210
C
84
D
35
E
7
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Explanation
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Difficulty
705-805
Type
PS
Category